1. Humboldt-Universität zu Berlin, Department of Agricultural Economics, Berlin, Germany
2. Leibniz Centre for Agricultural Landscape Research (ZALF), Sustainable Land Use in Developing Countries (SUSLand) research group, Müncheberg, Germany
3. Universidad Nacional de Colombia, Departamento de Desarrollo Rural y Agroalimentario, Bogotá, Colombia
4. Universidad Tecnológica de Pereira, Facultad de Ciencias Ambientales, Pereira, Colombia
5. Humboldt-Universität zu Berlin, Division Urban Plant Ecophysiology, Berlin, Germany